Dr Stephanie Lantry, Co-Owner of Animal Medical Clinic of Gulf Gate and Vet Expert at Airvet.com said:
They are not toxic to dogs. However, you do need to be careful to cut up the cucumbers because they are a potential choking hazard. Also, some dogs can be sensitive to the roughage and cucumbers can cause indigestion.
Cucumbers are high in water content and are generally pretty tolerable for dogs as long as they don’t overindulge.
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